 *{
     margin: 0;
     padding: 0;
 }
 body{
     background: url(/images/bg.jpg) no-repeat;
     background-size: cover;
     background-position: center;
 }
 .detail{
     width: 700px;
     min-height:750px ;
     margin: 0 auto;
     background: rgba(55, 45, 95,0.5);
     border-radius: 10px;
 }
 .detail h2{
     height: 50px;
     line-height: 50px;
     background: rgba(55, 45, 95,0.5);
     color:white;
     border-radius: 10px 10px 0 0;
     text-align: center;
 }
 .content{
     color: white;
     font-size: 16px;
     line-height: 24px;
     padding: 10px;
     width:680px ;
     text-indent: 2em;
     overflow: auto;
 }
